When gis boss shows him the destruction of the shoe store, he says with an open gaze of surprize, "Oh my God" there is a pic of Buckwheat with the same facial expression "Otay!" . Then when they walk over a few feet over. His boss says "This is stupid". Right behind Jerry is a picture of the Three Stooges.
Im the Alpha and the Omoxus. The Omoxus and the Omega
Another one in the school bookstore: when Jerry is trying to break open the cash register, he first takes a big globe and puts it on his shoulder. Right before he smashes the globe into the cash register, he looks like Atlas, the mythological god who carried the weight of the world on his shoulders...
This movie is FULL of such funny and smart little reference.